360 Degree Prism, 5/8" Total Station Reflector for Topcon,Sokkia ATP1 Copper coated back surfaces Lightweight, very durable and precise Taken vitreous in durable plastic and taken into hard rubber Offers the industry's best prism accuracy Designed for use with the Robotic Total Station Both is 5/8-11 Female,For use with a standard range pole, Height prism center to connecting thread (axis .- / Tilting axis) 50 mm Connection 5/8 "internal thread (both top and bottom) Prism offset:7mm High: 100mm Height glass body 30 mm Diameter prism body about 47 mm Outside diameter:68m Inside Diameter:38mm Include prism protect soft bag?Adapter 100% BRAND NEW , HIGH QUALITY Shipping: Items will be shipped within 2 business day on payment received. Items are shipped from Hong Kong using Airmail, reach most of the countries within 7 to 20 business days. Delivery time depends on destination and other factors. Warranty and Guarantee: 6 months Warranty. Buy with confidence! If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it. If item is defective in 3 months, We will send you a replacement without extra charge, or offer refund after we receive the defective item. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.